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Finding the Fourth Proportional to 119,461.68, 164,848.64 and 71,060.94

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Solution

The fourth proportional to 119,461.68, 164,848.64 and 71,060.94 is: 98,059.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,461.68 : 164,848.64 = 71,060.94 : x
  2. Step 2: Convert to fraction form
    119,461.68/164,848.64 = 71,060.94/x
  3. Step 3: Cross multiply
    119,461.68x = 164,848.64 × 71,060.94
  4. Step 4: Simplify right side
    119,461.68x = 11,714,298,960.82
  5. Step 5: Solve for x
    x = 11,714,298,960.82/119,461.68
  6. Step 6: Final answer
    x = 98,059.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.